const message = "Hello World"
function sayHello() {
  console.log("Hello")
}
function App() {
  return (
    <div>
      this is app
      <br />
      {/* 字符串 */}
      {"this.message"}
      {/* 变量 */}
      {message}
      {/* 函数调用 */}
      {sayHello()}
      {/* 方法调用 */}
      {new Date().toLocaleDateString()}
      {/* 内联样式 */}
      <div style={{ color: "red", fontSize: "20px" }}>red</div>
    </div>
  )
}

export default App
